Relating to the veins.

Dilation of veins and capillaries due to impaired venous drainage.

A condition where the flow of blood through the veins is impaired.

A scan of the lungs that uses small quantities of radioactive material to study airflow (ventilation) and blood flow (perfusion) in the lungs

Either of the two lower chambers of the heart, or any of the four cavities within the brain.

Relating to a ventricle (either in the brain or the heart)

An abnormal dilatation in one of the two lower chambers of the heart.

An abnormal heart rhythm causing failure of the lower chambers of the heart (ventricles) to pump properly. Abbreviated to VF.

An abnormally fast heart rhythm developing in the ventricles, the pumping chambers of the heart

The Latin name for a wart that is usually applied to warts on the soles of the feet.

Affecting the vertebrae, the bones of the spine, or the joints between them

A condition due to insufficient blood supply to certain parts of the brain leading to various temporary and permanent symptoms.

Blockage, sometimes due to a clot, of the vertebrobasilar artery supplying blood to parts of the brain, leading to ischaemia in these areas.

A feeling that one or one's surroundings are spinning. It is caused by a disturbance of the semicircular canals in the inner ear or the nerve tracts leading from them.

The brain system that is responsible for maintaining balance, posture and the body's spatial orientation.

Capable of survival.

A type of polyp, usually found in the colon or rectum, and with a tendency to become malignant.

Older term for acute necrotising ulcerative gingivitis (ANUG).

Inflammation of several joints caused by a viral infection.

A microbe that is only able to multiply within living cells.

Microbes that are only able to multiply within living cells.

a hollow organ such as the stomach,appendix and intestines

Relating to the sense of sight (vision).

Sharpness or clarity of vision.